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Rail(height) { difference() { difference() { union() { difference(){ color([.1,.1,.1]) panel(width); //module title(string, size=9, halign="center", font="Futura Md BT:style=Medium") { text(string, size, halign=halign, font=font_for_title); //} // draw a "vertical" wall } // draws two walls in parallel, close together so a PCB can fit between // h = shafthole_height, $fn = top_rounding_faces square(top_rounding_radius + pad, top_rounding_radius + pad); circle(r = top_rounding_radius, $fn = knob_faces); // Create a hole with radius: ", hole_r , " at ", width_mm - thickness; left_panel_width = 12.5*3 .

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